JPS54125959A - Electron gun cathode - Google Patents

Electron gun cathode

Info

Publication number
JPS54125959A
JPS54125959A JP2207979A JP2207979A JPS54125959A JP S54125959 A JPS54125959 A JP S54125959A JP 2207979 A JP2207979 A JP 2207979A JP 2207979 A JP2207979 A JP 2207979A JP S54125959 A JPS54125959 A JP S54125959A
Authority
JP
Japan
Prior art keywords
electron gun
gun cathode
cathode
electron
gun
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2207979A
Other languages
Japanese (ja)
Inventor
Mariku Geraru
Marutan Fuiritsupu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Publication of JPS54125959A publication Critical patent/JPS54125959A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns
    • H01J3/027—Construction of the gun or parts thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/15—Cathodes heated directly by an electric current
    • H01J1/16—Cathodes heated directly by an electric current characterised by the shape
JP2207979A 1978-03-01 1979-02-28 Electron gun cathode Pending JPS54125959A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7805813A FR2418964A1 (en) 1978-03-01 1978-03-01 CATHODE FOR ELECTRONIC CANNON

Publications (1)

Publication Number Publication Date
JPS54125959A true JPS54125959A (en) 1979-09-29

Family

ID=9205196

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2207979A Pending JPS54125959A (en) 1978-03-01 1979-02-28 Electron gun cathode

Country Status (5)

Country Link
US (1) US4220889A (en)
EP (1) EP0003937B1 (en)
JP (1) JPS54125959A (en)
DE (1) DE2960025D1 (en)
FR (1) FR2418964A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2520553A1 (en) * 1982-01-22 1983-07-29 Cameca ELECTRONIC OPTICAL APPARATUS COMPRISING PYROLYTIC GRAPHITE ELEMENTS
US4673842A (en) * 1985-09-03 1987-06-16 General Electric Company Graphite cathode cup for gridded x-ray tubes
US5015908A (en) * 1989-01-23 1991-05-14 Varian Associates, Inc. Fast warm-up cathode for high power vacuum tubes
US5480527A (en) * 1994-04-25 1996-01-02 Vapor Technologies, Inc. Rectangular vacuum-arc plasma source
CN103094019A (en) * 2013-01-21 2013-05-08 江苏达胜加速器制造有限公司 Filament used for microcurrent electronic gun

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2498775A (en) * 1948-01-16 1950-02-28 Westinghouse Electric Corp Cathode construction
FR1514813A (en) * 1967-03-17 1968-02-23 Lokomotivbau Elektrotech Large area massive cathode cathode cathode device in lanthanum hexaboride for electron ray generator
US3440475A (en) * 1967-04-11 1969-04-22 Lokomotivbau Elektrotech Lanthanum hexaboride cathode system for an electron beam generator
US3532923A (en) * 1969-03-17 1970-10-06 Ibm Pyrolytic graphite support for lanthanum hexaboride cathode emitter
DE2008176A1 (en) * 1970-02-21 1971-09-09 Fernseh Gmbh Holder for the indirectly heated cathode of a cathode ray system
FR2106968A5 (en) * 1970-09-30 1972-05-05 Cit Alcatel
US3958146A (en) * 1974-02-08 1976-05-18 Gte Sylvania Incorporated Fast warm up picture tube cathode cap having high heat emissivity surface on the interior thereof
JPS5277661A (en) * 1975-12-24 1977-06-30 Jeol Ltd Electron gun

Also Published As

Publication number Publication date
EP0003937A2 (en) 1979-09-05
EP0003937A3 (en) 1979-09-19
DE2960025D1 (en) 1981-01-22
FR2418964B1 (en) 1980-09-05
EP0003937B1 (en) 1980-10-15
US4220889A (en) 1980-09-02
FR2418964A1 (en) 1979-09-28

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